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Caleb Zhao profile picture

Caleb Zhao

Numerical analyst focused on computational error reduction and simulation accuracy.

Location Shanghai, China Joined Joined on  Personal website http://www.isrealsoft.cn

Pronouns

he/him

Work

A teacher.

Incorrect calculations: tand(x) and cotd(x)

Incorrect calculations: tand(x) and cotd(x)

Comments
1 min read

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Incorrect calculations: sind(x) and cosd(x)

Incorrect calculations: sind(x) and cosd(x)

Comments
1 min read
Incorrect calculations: csc(x) near x=k*π

Incorrect calculations: csc(x) near x=k*π

Comments
1 min read
Incorrect calculations: sec(x) near x=k*π+π/2

Incorrect calculations: sec(x) near x=k*π+π/2

Comments
1 min read
Incorrect calculations: sec(x) and csc(x) for large values of x

Incorrect calculations: sec(x) and csc(x) for large values of x

Comments
1 min read
Incorrect calculations: Horner polynomials

Incorrect calculations: Horner polynomials

Comments
1 min read
Incorrect calculations: cos(x) near x=k*π+π/2

Incorrect calculations: cos(x) near x=k*π+π/2

Comments
1 min read
Incorrect calculations: sin(x) near x=k*π

Incorrect calculations: sin(x) near x=k*π

Comments
1 min read
Incorrect calculations: polynomials

Incorrect calculations: polynomials

Comments
1 min read
Incorrect calculations: tan(x) and cot(x) for large values of x

Incorrect calculations: tan(x) and cot(x) for large values of x

Comments
1 min read
Incorrect calculations: tan(x) and cot(x) near x=k*π

Incorrect calculations: tan(x) and cot(x) near x=k*π

Comments
1 min read
Incorrect calculations: tan(x) and cot(x) near x=k*π+π/2

Incorrect calculations: tan(x) and cot(x) near x=k*π+π/2

Comments
1 min read
Incorrect calculations: sin(x) and cos(x) for extremely large values of x

Incorrect calculations: sin(x) and cos(x) for extremely large values of x

Comments
1 min read
Using large language models and the like for arithmetic to win a prize

Using large language models and the like for arithmetic to win a prize

Comments
2 min read
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