API Gravity: An arbitrary scale expressing the gravity or density of liquid petroleum products. The measuring scale is calibrated in terms of degrees API; it is calculated as follows: Degrees API = (141.5 / (sp. gr. 60ÂºF / 60ÂºF)) - 131.5 The higher the API gravity, the lighter the compound.
| Filed Under: Firsts 1 Comment. The now famous character Mario was created by Shigeru Miyamoto and has appeared in over 200 video games. Marioâs first appearance was in Donkey Kong (ãã³ã­ã¼ã³ã³ã°) in 1981, which is another iconic arcade game developed by Nintendo. In Donkey Kong, Mario was known as âJumpmanâ the carpenter. In later games, Mario is depicted as a short Italian plumber.
Talk10 Share. Super Mario Bros. is a Nintendo Entertainment System video game released in 1985 by Nintendo. The game, designed by Shigeru Miyamoto and Takashi Tezuka, has become one of the most important and successful video games of all time.