Matches 1 - 50 out of 59 1 2 >


Match Document Document Title
7677895 Arithmetic measurement system  
Arithmetic Measurement System quantifies arithmetic operations just by measurement and without arithmetic calculation or even counting. Playing cards may be annotated with size-coded marks or card...
7275934 Magnetic apparatus for demonstration of binary numbers  
An apparatus and method for motivating students in mathematics education, computer technology education and information encoding. The apparatus consists of a container holding multi-state sources...
6988462 Memory assist device with clips  
The invention is for a memory assist device with an indicia field to indicate a number. The memory assist device includes at least two filaments extending between internal walls of the memory...
6811401 Binary rotation teaching game  
The game for teaching binary mathematics includes a plurality of balls, a backboard, and a plurality of elongate members selectively connected to each other and to the backboard in non-horizontal...
6758675 Base ten primary teaching kit  
A kit containing an Instructor unit sized for presentation to a group and multiple Child training units both set up to allow students to visually model and relate addition, subtraction,...
6315675 Score counter for billiards game  
A score counter includes a bar having two spheres on two ends thereof so as to fix the bar by engaging the two spheres with relative members. A plurality of retaining members each have a score...
5951299 Method for mathematical representation, manipulation and problem solving, and kit  
The present invention involves the use of numerical digits with markers and attribute tags as a means to represent quantities, facilitate mathematical manipulation, and solve problems. The given...
5484287 Character revealing game, method of making, and method of playing  
A character revealing game having a ternary game piece, a plurality of character revealing elements and a character decoding device. A surface area of the ternary game piece is divided into...
5213506 Binary educational device  
A binary computer for demonstrating concepts of decimal to binary conversion and binary operations such as counting, addition, subtraction and multiplication is provided. Further, the binary...
H000733 Educational device for demonstrating nonstandard counting procedures  
The invention is an educational device for explicitly demonstrating various operations with nonstandard counting procedures, mainly extending binary sequences by an additional digit for each...
4662846 Apparatus for mechanically composing a mosaic pattern of balls  
An apparatus for mechanically composing a mosaic pattern formed by balls, which comprises an inclined composition table subdivided by uniformly spaced protruding guides into a number of columns...
4633070 Informational device adapted to convert binary to decimal numerals  
A stack of sheets, each sheet from the next to lowermost upwardly corresponding to a successive binary place, the lowermost sheet carrying array of decimal numerals, a pivot connecting the sheets...
4585419 Didactic aid for the teaching of any number system  
The instant invention relates to an aid for the carrying out of a didactic game in order that any (n) based number system may be learned.It consists of a series of containers decreasing in size,...
4474558 Didactic game based on selection of the trajectories followed by balls  
A didactic game wherein a number of balls are allowed to roll by gravity along a guide channel on a play plate. The guide channel has bifurcations controlled by switch means provided with manual...
4424039 Mathematics teaching device  
A mathematics teaching device wherein a display surface is divided into eight regions. The first region contains one hundred colored and numbered plaques removably mounted in ten rows. Plaques are...
4332565 Display system  
A display device comprising a plurality of adjacent hierarchical orders, and at least one hierarchichal display in each order. The number of hierarchichal orders is n. The number of hierarchical...
4132015 Teaching-learning aid for numeration systems and basic computer concepts  
A mathematical teaching-learning aid to facilitate teaching and learning a wide range of fundamental concepts and skills associated with numeration systems and computers, comprising an indicating...
4043561 Puzzle and method of playing same  
A puzzle includes a set of graduated size markers, each one having a different whole number indicia thereon, the indicia including the numbers 2 through 6. A base has a set of five positions on...
4006344 Mechanical binary number adding and subtracting apparatus  
A mechanical apparatus for adding or subtracting binary numbers, in a visual manner, comprises a front plate with first and second rows of ball receiving apertures formed near the plate top. Balls...
3994076 Modular computer teaching device  
A cube is provided with four side walls, and an open bottom and top. Mounted within the cube is a flip-flop unit made up of three wings, one wing being longer than the other two so that when a...
3899838 Teaching aid  
A teaching aid comprises one or more polyhedrally shaped blocks, each block having an outer exterior surface formed of a plurality of oppositely spaced parallel sides. The construction facilitates...
3872610 Mathematics teaching apparatus  
An apparatus for teaching mathematical concepts and particularly different base-value number systems. A scroll is turned into position behind openings in a display panel to display the appropriate...
3722110 EDUCATIONAL TRAINING DEVICE  
A manually operable educational device for assisting the user in converting a numeral from one base numeration system to a corresponding numeral in a different base numeration system. The device...
3681859 ELECTROMECHANICAL BASE CONVERTER  
Instructional apparatus for representing numbers in a selected number system, normally other than the decimal system, and for indicating a given number in decimal form as well as the form into...
3670958 SLIDE RULE  
A mechanical analog computing device of the slide rule type is disclosed wherein the multiplication and/or division of numbers from an other than decimal number system (e.g., binary, octal,...
3663021 METHOD OF PLAYING A BINARY CARD GAME  
A binary game apparatus consisting of a plurality of playing pieces each of which are identical and each of which has first and second distinguishing characters which are respectively assigned the...
3660913 METHOD AND APPARATUS FOR TEACHING MATHEMATICS IN DIFFERENT NUMBER SYSTEMS  
A method and apparatus for teaching relationships between the calculations in different number bases using a simple computer unit. The unit has a manually operable decimal input dial, manually...
3643347 NUMERAL BASE CONVERSION INSTRUCTIONAL DEVICE  
The instant invention involves a conversion device which enables the ready conversion of numerals in a first numeral base, such as the base 10, or decimal system, to another and different, numeral...
3633288 BASE NUMERAL GAME DEVICE  
A device having longitudinal slots at the top thereof with vertical rods protruding through the slots to a height dependent on the positioning of a horizontal master control rod from which the...
3633287 NUMERICAL BASE SYSTEMS TEACHING DEVICE  
A device for teaching numerical base systems comprises a frame, a plurality of vertically disposed rods, a plurality of counters mounted on each of the rods to form parallel rows, and means...
3599350 EDUCATIONAL DEVICE FOR USE IN CONVERSION BETWEEN NUMBER SYSTEMS  
An educational device comprising a base member, a front panel having a pllity of windows, arranged in rows and columns movable indicator members viewable through the windows to provide numeric...
3587093 INDICATING ARRANGEMENT WITH DIGIT TOTAL FROM ADDITION OR SUBTRACTION  
A total-indicating arrangement comprises an array of digit-indicating lamps and an array of decade-indicating lamps. A plurality of switches are selectively coupled to increase the display total...
3579874 EDUCATIONAL DEVICE FOR TRAINING IN MATHEMATICS  
An educational device for training in mathematics embodied in a housing having a series of disc structures rotatably mounted therein, each structure including a rotatable axially aligned disc...
3579866 POLYBASE COUNTER  
This invention relates to a simple mechanical counter to be used as an instructional aid in teaching number systems of various different bases. It consists of a plurality of prismatic-shaped or...
3502295 TEACHING DEVICE  
3500558 DEVICE FOR THE TEACHING OF NUMERATION SYSTEMS TO ALL BASES  
3555703 EQUIPMENT FOR TEACHING MATHEMATICS  
3464123 MATHEMATICAL TEACHING AID  
3462854 MULTIBASE COUNTER AND CALCULATOR  
3461572 INSTRUCTIONAL DEVICE  
3461573 MODERN MATHEMATICS DEMONSTRATION UNIT  
3452454 MATHEMATICS TEACHING DEVICE AND METHOD  
3436013 MULTI-BASE COUNTER MECHANISM  
3403459 Toy mechanical computer  
3390471 Binary digital computer  
3388483 Computer-type game and teaching aid  
3363334 Educational article  
3352031 Training aid for indicating binary to non-binary conversion  
3342493 Mathematics game board  
3337970 Calculating device  

Matches 1 - 50 out of 59 1 2 >