Free functions

• pow

• aliquot_sum

• is_armstrong_number

• verify

• sequence

• pow2_u256

• pow2

• pow2_felt252

• pow10

• pow10_u256

• point_mult_double_and_add

• verify_signature

• extended_euclidean_algorithm

• fast_power

• fast_power_mod

• fast_nr_optimize

• fast_sqrt

• fast_cbrt

• round_div

• fib

• gcd

• gcd_two_numbers

• i257_div_rem

• i257_assert_no_negative_zero

• is_power_of_two

• is_prime

• multiply

• keccak256

• lcm

• add_mod

• mult_inverse

• add_inverse_mod

• sub_mod

• mult_mod

• u256_wide_sqr

• sqr_mod

• div_mod

• pow_mod

• equality_mod

• is_perfect_number

• perfect_numbers

• sha256

• fpow

• two_pow

• sha512

• fast_sin_inner

• fast_sin

• fast_cos

• fast_tan

• u512_add

• u512_sub

• wad

• ray

• half_wad

• half_ray

• wad_mul

• wad_div

• ray_mul

• ray_div

• ray_to_wad

• wad_to_ray

• day_of_week

• check_input_parameters