The utility model relates to the technical field of
engineering cost equipment, and discloses a portable
calculator, which comprises a
calculator main body, the other side of the
calculator main body is fixedly connected with an auxiliary mechanism, and the middle part of the top surface of the auxiliary mechanism is provided with a placing plate. According to the portable calculator, through the arrangement of the auxiliary mechanism, the placing plate, the adjusting mechanism, the supporting rod, the solar panel and the bidirectional
inverter, a rotating block drives the supporting rod to rotate under the action of a limiting groove until the solar panel rotates to a proper angle, so that the solar panel can be comprehensively irradiated by
sunlight, the solar panel absorbs a
light source of the sun, and the solar panel is prevented from being damaged. A
light source is converted into an available power supply through the bidirectional
inverter, the available power supply is stored in the storage battery and can continuously supply power to the calculator main body, so that the calculator main body cannot only depend on the battery to supply power for use, the service life of the calculator main body is prolonged, and the practicability of the calculator main body is improved; and the supporting rod, the solar panel and the bidirectional
inverter can be conveniently limited and stored through the arrangement of the placement plate.