Free Caculate Software

Option Pricing Calculator by OTrader Software

This free option pricing calculator can be used to calculate: Call Price, Put Price, Gamma, Delta, Theta, Vega, Implied Volatility. Calculator can use three option pricing models to caculate prices: Black-Scholes Option price, Binomial American option price and Binomial European option price

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Calcul by Luzius Schneider

Calcul will help your elementary school students practice mental arithmetic or to do fractions. Choose addition, subtraction, multiplication, division or fractions; then set the range of numbers and the number of calculations for an exercise. The program shows you two numbers or fractions respectively, and you enter an answer. Right or wrong answers get audio feedback and there's a pie chart to show your percentage of correct responses.

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Zilla TuneUp and Optimizer by ZillaFTP Inc.

Zilla TuneUp Optimizer Extends your operating system's capabilities: Drive Cleaner, Registry Cleaner, Internet Cleaner, DLL Cleaner, Internet Tuneup, StartUp Tuner, File shredder. Free up valuable space on your hard drive, makeWindows faster, more secure & comfortable. Optimizes the performance of your PC, corrects problems, and helps you customize your system to suit your needs. Removes unnecessary files from your drives. Best of all it is free

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Old Digital Clock by EGERIA group

The screensaver represents old conventionalized electronic clock, with sound effects. In addition to main functions the program has customizable list of "stop programs", if any program from that list is working when you start the screensaver, the screensaver will not work.

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