Abstract: A deterministic encryption key generating method along with a cryptographic system is disclosed. The systems method uses the intersection of an equation representing a polynomial or quadratic (PQ-Equation) with a secure and secret 3-dimensional mathematical geometric shape, or manifold, to generate an ephemeral symmetric encryption key. Digital objects, files, and data can be cryptographically secured using this process with a unique per-file or per-data object key, which is destroyed after each use. The process combines coefficients of a PQ-Equation mapped onto the manifold to create or recreate the key from an identifier, for instance values for the PQ-Equation. PQ-Equation coefficients are stored with the protected file, accessible via the client and transmitted to the computational server possessing the secret manifold.

Abstract: A storage system for items such as surfboards, kayaks, paddleboards, skies, and other similar items is comprised of one or more storage devices that are secured to a ceiling joist, and which have a vertical portion that extends toward the floor. The storage devices have arm portions that extend from near the bottom of the devices on which one would place the item to be stored. The arm portions are at an angle from the vertical portion sufficient to hold the item to be stored in place, but sufficiently shallow to minimize the space needed to accommodate the item. In most useful embodiments, two storage devices are used together and the item to be stored spans the two devices.

Abstract: A storage system for items such as surfboards, kayaks, paddleboards, skies, and other similar items is comprised of one or more storage devices that are secured to a ceiling joist, and which have a vertical portion that extends toward the floor. The storage devices have arm portions that extend from near the bottom of the devices on which one would place the item to be stored. The arm portions are at an angle from the vertical portion sufficient to hold the item to be stored in place, but sufficiently shallow to minimize the space needed to accommodate the item. In most useful embodiments, two storage devices are used together and the item to be stored spans the two devices.

Abstract: A calculator and exam notification timer device integrated into one housing. A plurality of numeral keys (0-9) and function keys and a display are disposed the housing. A first processing section performs calculation functions based on input from the numeral keys and the function keys and displays the result on the display. A second processing section performs a time keeping function based on values programmed by user via the numeral keys and function keys, and displays a total elapsed or remaining time, a current exam problem, and an elapsed or remaining time for the current exam problem on the display. A switch within the calculator forwards the signal from the numeral keys to either the first or second processing section based on a switching state which is controlled by a switch key on the housing or one of the function keys.

Abstract: A wrist watch-type silent alarm and exam notification timer device includes a vibrator adapted to create a silent vibrating sensation on the skin of the user/wearer, and control circuitry for repeatedly generating silent alarm signals at user-defined time intervals for a user-defined number of times in a programmable manner. The vibrator is disposed inside the timer housing directly on an area of the bottom panel of the housing, and oriented to generate a silent vibration in that area in a direction perpendicular to the bottom panel. The timer device is useful during exam taking to allow the user to keep track of his progress through the exam. Displays are provided to display a total elapsed time of the exam, a lapsed time of the current exam problem, and the number for the current exam problem. Control keys are provided for the user to program the timer.