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Specializing in Construction Projects Management System
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Trig Ruler
Get Trigonometric values of SIN,
COS and TAN directly from scale
Thread Ruler
Draw Arc, Ellipse, Circles
and Parallel lines
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3DCompass
A tool to point to objects in a
spherical coordinate system, like stars.
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Elliptic Leveler
A Bubble Leveler that shows
angle of inclination also.
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Celestial Coffee Mug
Thermos double wall coffee mug:
earth map on the inner wall and
rotateable transparent constealltion
map on the outer wall
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Fourier Transform
using Fixed-Point Arithmatic
DFT, FFT, FP-FFT
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SkyChart
Table of Star Coordinates