Papertape Calculator 2.2
A full function calculator that records all entries to a virtual paper tape (text file).
Simplifies checking of one's work and allows multiple results to be displayed simultaneously. Includes user defined functionality, binary, octal, hexadecimal and time arithmetic and importation and calculation of external data sets that include curve fits. Business functions: interest, annuity and loan calculations; present value, bond pricing and depreciation; calendar functions. Math functions: trigonometry, statistics, regression analysis, quadratic and cubic equations, prime factorization. Can solve for X in a function of X given Y. Also includes conversion factors, constants and area under normal curve or other curve calculations. Ten memory locations store numbers and words together. More.
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