Top 7 Apps Similar to New SAT Geometry

Demonstrate Euclid's theorems regarding the proportionalityofstrokes

"G-Calc" is an app that makes calculations for a varietyofgeometric shapes.

Modular arithmetictoolforcryptographic-related university subjects.It provides simple solutions for modularexponentiationandcalculating modular multiplicative inverse withExtendedEuclideanalgorithm.It helps to understand the Extended Euclidean algorithmbyshowingits steps in table format.

Interactive geometry objects, concepts and formulas.

A primer that will change your mind about geometry ==> Euclid.

The Euclidean algorithm is usuallyusedsimplyto find the greatest common divisor of two integers.(Foradescription of this algorithm, see the notesaboutadditionaltopics in number theory.) The standardEuclideanalgorithm givesthe greatest common divisor and nothingelse.However, if we keeptrack of a bit more information as we gothroughthe algorithm, wecan discover how to write the greatestcommondivisor as an integerlinear combination of the twooriginalnumbers. In other words, wecan find integers s and t suchthatgcd(a, b) = sa + tb.[Note that, since gcd(a, b) is usually less than both a andb,oneof s or t will usually be negative.]As a reminder, here are the steps of thestandardEuclideanalgorithm to find the greatest common divisor oftwopositiveintegers a and b:Set the value of the variable c to the larger of the twovaluesaand b, and set d to the smaller of a and b.Find the remainder when c is divided by d. Callthisremainderr.If r = 0, then gcd(a, b) = d. Stop.Otherwise, use the current values of d and r as the new valuesofcand d, respectively, and go back to step 2.The extended Euclidean algorithm uses the same framework,butthereis a bit more bookkeeping. Before we present aformaldescriptionof the extended Euclidean algorithm, let’s workour waythrough anexample to illustrate the main ideas.

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