Xzfracal is designed to handle many complex mathematical expressions involving rational numbers accurately. The followings are samples of problems that can be solved easily and accurately with Xzfracal:
- Conversion between fractions and repeating decimals.
- Complex arithmetic of fractions, mixed fractions, and (repeating) decimals.
- Comparison of fractions, mixed fractions, and (repeating) decimals.
- Greatest common divisors and least common multiples of integers.
- Integer and modulo divisions of integers.
- Optimal rational approximation.
- Factorial, combination, and permutation.
- Polynomial operations: addition, subtraction, multiplication, division, power, composition, evaluation.
- Matrix operations: addition, subtraction, multiplication, trace, determinant, transpose, inverse.
- System of linear equations.
Xzfracal 是一個多功能的精確分數計算器，能夠準確處理以下的運算:
- 分數,帶分數,循環小數的互相換化
- 整數,分數,帶分數,循環小數混合在一起的複雜四則和整數冪運算
- 整數,分數,帶分數或循環小數的數值比較
- 通分母,最大公約數,最小公倍數
- 階乘,排列和組合個數
- 整數除，模除
- 最佳有理近似值
- 多項式的運算:加,減,乘,除,冪,複合運算,...
- 矩陣的運算:加,減,乘,轉置,逆,...
- 行列式
- 線性方程組
Xzfracal is available online and on Android devices.
It is 100% free, user-friendly and safe. It does NOT rely on advertisement in any manner (no distraction nor potentially dangerous add-ons). It does NOT query/collect/store/transmit user information in any manner!
http://xzfracal.appspot.com/
https://sites.google.com/site/mathlusiverse/
https://play.google.com/store/apps/details?id=com.mathlusiverse.xzfracal.android
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