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Extremely rare sealed software for the TRS-80. This software was an instrumental early mathematical tool for simpler calculation interfacing within personal computers of the early 80s. Excellent condition. Very hard to find sealed. SHIPPING TIME IS WILDLY INACCURATE: ITEM WILL BE SHIPPED WITHIN 3 BUSINESS DAYS. Please see pictures for all included and best description of condition. Message me with any questions or offers. From Americanhistory.si.edu (Smithsonian Museum of National History)… “MuMATH is software designed for TRS-80 Model I computer with either 32K or 48K of RAM memory and one disk drive. It was created by Dr. David Stoutemeyer and Al Rich of The Soft Warehouse in Honolulu, Hawai’. It is a software package “that implements an new exciting new symbolic math system on the TRS-80. The TRS-80 user can now enter equations directly into muMATH in a “calculator mode” to solve problems in arithmetic, algebra, trigonometry, and calculus without first having to “program” the problem in a computer language.” The package contains a box, binder containing two 5.25″ floppy disks with sleeves, warranty card, and instruction manual. Both the box and the manual originally received shrink wrapped. …the purchaser paid $74.95 for this software directly from Microsoft.”

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