F7#11 chord for piano presented by keyboard diagrams.
Explanation: The F7#11 alter the F7 by the change of one note. The chord name can also be written as F7(#11) or F7+11.
Theory: The F7#11 are identical with the F7 except that a sharpenedThe tone is one half step higher eleventh is added (B). Sometimes the fifth (C) is omitted.
Notes: F - A - C - Eb - B