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Granthaalok: The Book-Library Manager 1.0

Manages library (book lending & returning etc.) records in a password-protected way. Has an adder to add up to 40 later-modifiable numbers each even multiplied by a factor (say, 1 or 2).

Assam-Calcu: A Programmable All-Purpose Calculator 2.5

Assam-Calcu is a 12-digit multi-purpose calculator that can store and recall thousands or even millions of your old calculations - whether ordinary or scientific. It may also be easily programmed to run hundreds of calculation-steps in one go.

Power-Surface: Power-Series LSq-Fitting & Saw-File 1.4

Power-Surface offers linear/quadratic/higher-power least-square curve/surface fitting for the given column-wise numeric data for a function z = f(x) or z = f(x,y) of one/two independent variable(s). Saw-File allows vertical copying/pasting of data.