Brother EP-20 Adapter
Schematics and information on electronic and mechanical principles of operation.
Brother EP-20 Adapter Read More »
Schematics and information on electronic and mechanical principles of operation.
Brother EP-20 Adapter Read More »
Up to 25 random division problems. Maximum 4 digit divident; 3 digit divisor. Modification for changing skill.
Use your computer in your electronics work. Ohm’s law and power dissipation, resistor/capacitor network calculations, astable/monostable 555 timer circuit, transistor amplifiers, power supplies, and other time consuming calculations.
Turn the Timex-Sinclair into an automated measurement, data acquisition and control instrument. Fully buffered address, data, and control buses for I/O; 6 decoded device codes; 2 14-conductor, 6″ cables to connect interface to other boards. A number of science experiments have been developed to aid teachers in illustrating scientific principles.
FD-ZX1 Interface Board Read More »
Collection of MC utilities; 256 x 192 resolution on TS2040 or ZX Printer. Includes plotting points, point to point line drawing, mixing hi-res and keyboard characters, full screen drawing. Reverse side: LEASTHR; weighted least squares linear regression analysis routine; outputs hi res straight line graphs calculated from x, y coordinates of data.
Hi Res Printer Graphics Read More »
Quiz yourself in addition, sub- traction, multiplication, and division. Three levels of difficulty.
Computes correlation matrix, its inverse, regression coefficients, ANOVA, multiple R and coefficient of determination for up to 15 independent variables and 30 observations.
Multiple Linear Regression Read More »
Solves the interface problem of connecting the TS2040 printer to a TS1000 computer with Memotech or other non-Timex add-ons.
PI2040 Printer Interface Read More »
Play the stock market at home without investing a cent. Lets you buy and sell various stocks. Learn at your own pace the details of various stock market functions such as buying on margin, short-selling, options to buy via warrants; learn and practice proven strategies; test your strategies.
Helps you learn chemistry topics. Includes writing chemical formulas, naming compound formulas, mole-gram-molecule conversion problems, balancing chemical equations, stoichiometry problems, induing mass-mass, mass volume, and volume-volume relationships, Boyle’s law, Charles law, combined gas law, and ideal gas equation problems 16K.
The Chemistry Tutor Read More »