U+20E7 "⃧" Combining Annuity Symbol Unicode Character

U+20E7 "⃧" Combining Annuity Symbol is a diacritical mark intended for use in mathematical and financial notation, specifically to denote an annuity in actuarial science. It is designed to be placed above or over another character, such as a letter or number, to indicate a series of periodic payments or a financial instrument related to annuities. This symbol is part of the Combining Diacritical Marks for Symbols block in Unicode and is rarely used in standard text, primarily appearing in specialized actuarial or economic documents. Its inclusion in Unicode ensures that such financial notations can be represented digitally in a standardized way.