Tag Archive for DC

dc is a cross-platform reverse-polish desk calculator which supports arbitrary-precision arithmetic. It is one of the oldest Unix utilities, predating even the invention of the C programming language; like other utilities of that vintage, it has a powerful set of features but an extremely terse syntax. Traditionally, the more user-friendly (with its infix notation) bc calculator program was implemented on top of dc, although more modern implementations are related in the opposite fashion: dc uses bc’s library for arithmetic.
This article provides some examples in an attempt to give a general flavour of the language; for a complete list of commands and syntax, one should consult the man page for one’s specific implementation.
To multiply four and five in dc (note that most of the whitespace is optional):
This translates into “push four and five onto the stack, then, with the multiplication operator, pop two elements from the stack, multiply them and push the result back on the stack.”…

Washington DC Skateboard Lessons!

Washington DC Skateparks for Lesson Locations
GSL SKatepark
Arlington VA Skatepark
Shaw Skatepark
Gaithersburg Skatepark
Greenbelt Skatepark
Alexandria Skatepark
Skateboarding school since 2009.

Ages: 4 through 104
Ability: Beginner through Competition-Style Advanced.
How you can start skateboard lessons?

Equipment: We recommend a board and a full set of safety gear. This includes: a helmet, elbow pads, knee pads, and wrist guards. Rental equipment is available.
Location: We…

Pentagon DC Skateboard Lessons!

Learn Skateboarding in a Two Week-Long Class

Skateboarding is a leisure activity, a work of art, or a method of transportation. Skateboarding has been shaped and influenced by many skateboarders throughout the years. A 2002 report by American Sports Data uncovered that there were 18.5 million skate boarders in the world. 85 percent…