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Calculator 的开发历史
使用命令 :dev_history 可以查看各版本的历史
>> :dev_history
| Version | Date | Description |
|---|---|---|
| 0.441 | 24/11/2018 | exp(x) |
| 0.442--0.443 | 04/01/2019 | log(x), ln(x), and fixed some bugs, such as operator==, Now we can compare .9==0.9 and so on. |
| 0.444 | 04/01/2019 | Variables can be defined. fix_variables(1) a="1+2/3" a=2+3*9 :clear |
| 0.445 | 08/03/2019 | Add two functions: binary2decimal() decimal2binary() |
| 0.446 | 17/03/2019 | Add extra file in project, functions.h: which contains self defined functions. Fixed function sqrtn() |
| 0.447 | 21/03/2019 | :change the function declaration IntDivision(string &, string &) to IntDivision(const string &, const string &) And change power operation to fast algorithm. |
| 0.448 | 01/04/2019 | :Improved the function plus(), and add char ( in operators[], so can deal with expression a+b*c+(d*e+f)*g if a,b,...,g are defined. |
| 0.449 | 01/04/2019 | :Add function: solve(equation,x,minValue,maxValue). |
| 0.450 | 06/06/2019 | exp(x) fixed bug in computation IntDivision, that is: num1 % num2 add following functions: decimal2octal(n) decimal2hex(n) firstFactor(n) factorise(n) |
| 0.451 | 27/07/2019 | fixed bug of internal function ChangeInfix() add function decimal2fraction(n) add internal function isInteger(n) add internal isPositiveInteger(n) add internal isNegativeInteger(n) add function !n=1!+2!+...+n! |
| 0.452 | 27/08/2019 | add function eq24(a,b,c,d) |
| 0.453 | 06/09/2019 | 10%+10% 5%%3 |
| 0.454 | 19/09/2019 | add function Collatz() and print3x1maps(a,b) |
| 0.455 | 21/09/2019 | add Lucas-Lehmer test for Mersenne primes in function isprime() For example: isprime(2^89-1) |
| 0.456 | 11/10/2019 | Fixed some BUGs founded on 09-10-2019 For the previous versions, if you input the following : >> p=3511 >> 2^(p-1)-1mod(p^2) You will get 2^(3511-1)-1@(3511^2 That is, the last char ) is lost. |
| 0.457 | 23/11/2019 | Add function sum(general_term,n,min,max) on 09-10-2019 |
| 0.458 | 01/12/2019 | Using hash function to deal with functions, add several functions, such as listfunctions(), help(funcName) and etc. on 01-12-2019 |
| 0.459 | 15/12/2019 | Fix bug: -(-2) and -3^2 and etc. on 15-12-2019 |
| 0.460 | 24/01/2020 | Fix bug: a=3 a==3 and etc. on 24-01-2020 Set values: a=3 b=a and etc. on 24-01-2020 |
| 0.461 | Date: 21/02/2019 | Fix bug: binom(5,5)=∞ on 21-02-2020 |
| 0.462 | 05/03/2020 | Add exmpo() in function list. on 05-03-2020 |
| 0.463 | 11/03/2020 | Fix BUG: sum(i!,i,1,20) on 11-03-2020 |
| 0.464 | 11/03/2020 | Fix BUG: sqrt(x) does not work when x is not an integer on 24-03-2020 |
| 0.465 | 02/04/2020 | Set default precision to 8, and make some functions do quick calculation when precision is high. Date April 2, 2020 |
| 0.466 | 14/04/2020 | Add funtion getprecision() and fix bug of function setprecision() when no parameter is given. Date April 14, 2020 |
| 0.467 | 16/04/2020 | Modify the command class so that print the functions list ordered by name. Date April 16, 2020 |
| 0.468 | 29/04/2020 | Add command :mode, and enable do fraction calculation. Date April 29, 2020 |
| 0.469 | 08/07/2020 | Make it possible to do the fraction calculation. Date July 08, 2020 |
| 0.470 | 10/07/2020 | Make function sum() work under the fraction calculation mode. Date July 10, 2020 |
| 0.471 | 22/07/2020 | Compare fractions. (Comparer les fractions.) And we make the computing x! possible. For example, 3.4!=3.4*2.4*1.4. Date July 22, 2020 |
| 0.472 | 25/07/2020 | Fix a bug, the result of x mod 1 should be zero. And add function continued_fraction(num,expression,detail,tex). Date July 25, 2020 |
| 0.473 | 28/07/2020 | Still use function continued_fraction() to compute continued fraction. e.g., continued_fraction(3,5,1,1,2). Date July 25, 2020 |
| 0.474 | 01/08/2020 | Add function Farey(n) to generate Farey series. Date August 01, 2020 |
| 0.475* | 09/08/2020 | Version 0.475 is the first version for register user. Date August 09, 2020 |
| 0.476 | 29/08/2020 | Allow function sqrt() accept negative number. Date August 29, 2020 |
| 0.477 | 30/08/2020 | Let function pi() return pi and pi(x) return the number of primes which is not greater than x. And add function list_pi_x(A,B) to print pi(x), where x is in [A,B]. Date August 30, 2020 |
| 0.478 | 01/09/2020 | Fix bug in function q_DuanwuPlus(). Add function reverse() and reverse_plus(). If input `_` , then it will return the previous result. Date September 01, 2020 |
| 0.479 | 02/09/2020 | Set system variables. Date September 02, 2020 |
| 0.480 | 06/09/2020 | Permet au système d'effecteur des opérations symboliques. Date September 06, 2020 |
| 0.481 | 09/09/2020 | Fix bugs in the symbolic operations such as +,-,*,/. Date September 06, 2020 |
| 0.482 | 22/10/2020 | Change the infinity symbol ∞ to string `Inf` to avoid the error during arithmetic computation. Improved the operations including pre_power and etc. Date October 22, 2020 |
| 0.483 | 11/11/2020 | Improved function eq24() such that it works under fraction mode. And improved the function fr_multiplication() and inputcmd2expression(). Date November 11, 2020 |
| 0.484 | 24/11/2020 | Add functions: Primes(n), p(n) and index_of_prime(n). Date November 24, 2020 |
| 0.485 | 10/12/2020 | Improved Factorise() and the calculation of n!. Try 10000! or Factorise(10000!). Date December 10, 2020 |
| 0.486 | 18/12/2020 | Fix bug in function Factorise(). Date December 18, 2020 |
| 0.487 | 24/12/2020 | Fix greate bugs in symbol calculations. Date December 24, 2020 |
| 0.488 | 26/12/2020 | Fix bugs in symbol calculations. Date December 26, 2020 |
| 0.489 | 27/12/2020 | Fix bugs in symbol calculations. Date December 27, 2020 |
| 0.490 | 28/12/2020 | Such expressions (x-1)(x+2) are allowed. Date December 28, 2020 |
| 0.491 | 14/03/2021 | Add function Fibonacci(). Date March 14, 2021 |
| 0.492 | 21/03/2021 | Improve the functions gcd() and lcm() and let them support multiparameters. Fix bugs in functions help() and Factorise(). Date March 21, 2021 |
| 0.493 | 22/03/2021 | Fix bugs in functions log() or ln(). Date March 22, 2021 |
| 0.494--0.499 | 12/04/2021 | Improve functionality of Calculator. Date April 12, 2021 |
| 0.494 | 11/05/2021 | Improved the algorithm of computing !n Date May 11, 2021 |
| 0.495 | 23/06/2021 | Add Mobius function: mobius(x). Date June 23, 2021 |
| 0.496 | 06/09/2021 | Add function: printSeries(1/n,n,1,10). Date September 6, 2021 |
| 0.497 | 12/10/2021 | Add function: hex2decimal(0xABCDEF123456). octal2decimal(01234567). any2decimal(num,p) Date October 12, 2021 |
| 0.498 | 28/11/2021 | Add function: goldbach(n). Verify the Goldbach conjecture. Date November 28, 2021 |
| 0.499 | 03/12/2021 | Improved function: goldbach(n). Date December 03, 2021 |
| 0.500 | 14/03/2022 | Add function subset(N,m) on Pi Day. Date March 14, 2022 |
| 0.501 | 06/07/2022 | For convenience, we change the name of functions expmo() to expmod().
Date June 13, 2022 Fix function exp(x), here x may be negative. Date July 4, 2022 Add function decimal2any(N, base). We also add functions for p-adic numbers, such that ord_p() and norm_p(). Date July 6, 2022 |
| 0.502 | 21/07/2022 | Change if else statements to a switch statement for string. Date July 21, 2022 |
| 0.503 | 24/07/2022 | Matrix definition, A=[1,2,3;4,5,6;7,8,9]. Date July 24, 2022 |
| 0.504 | 25/07/2022 | Fix some bugs. Date July 25, 2022 |
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